*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    max-width:800px;
    margin:auto;
    /* width: 800px; */
    /* height: 500px; */
}

h1{
    margin:50px 0;
    border-bottom:1px solid #000;
    text-align: center;
    /* background: #a5d853; */
}

.title{
    background: rgb(118, 221, 118);
    height: 150px;
    line-height: 150px;
    text-align: left;
    padding-left: 50px;
    border-radius: 10px;
    color: #fff;
    font-weight: 500;
    border: none;
    font-size: 50x;
}


textarea{
    width:100%;
    padding: 10px;
    margin-bottom: 30px;
}

input{
    width: 100%;
    padding:10px;
    margin-bottom: 10px;
}

a{
    display: inline-block;
    padding:10px 0;
    margin-right:20px;
}

.footer{
    text-align: center;
    margin:50px 0;
}

img{
    width: 100px;
    height: 100px;
    display: inline-block;
    float: left;
    clear:both; 
    margin-right: 15px;
    margin: 20px;
}

.gray{
    max-width: 700px;
    margin: auto;
    /* background:  #a5d853;; */
}

.xie{
    max-width: 800px;
    background: #F8F8F8;
    margin-top: -50px;
    padding: 25px;
}

.submit{
    background: rgb(118, 221, 118);
    border: none;
    font-weight: 700;
    color: #fff;
}

h2{
    font-weight: 400;
}

.p{
    padding-bottom: 10px;
}

ul{
    background: #f8f8f8;
    padding-left: 50px;
    padding-right: 50px;
    /* border: 1px solid #F8F8F8; */
}

li{
    list-style: none;
    margin-bottom: 20px;
    background: #fafafa;
}

.li{
    background: #f8f8f8;
    height: 50px;
    line-height: 50px;
    padding-left: 50px;

}

.b{
    padding-left: 115px;
}